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Isola 2016 Fact Sheet

Minimizing Skew in Very High-speed Serial Data Links

Watch Lee Ritchey of Speeding Edge as he discusses what skew is, the causes of it, the products where skew causes problems, and how skew is currently being addressed. In particular, the relationship between differential pairs and how skew can affect their operation is addressed.

The video is tutorial in nature and provides insight into the following topic areas including:

  • How a differential pair signal path operates
  • How skew affects the two signal edges of a differential pair
  • What are the sources of skew
  • Overview of representative glass styles used in PCB laminates
  • How glass weave styles in PCB laminates can affect skew
  • Impedance operations over various types of glass
  • Proposed methods for controlling weave-induced skew and their effectiveness